Plantronics SupraPlus H251N Headset
The Plantronics SupraPlus headset family brings new standards in all-day comfort and reliability to telephone professionals. Enhanced receive-side audio quality, intelligent flexible boom and stylish design provide greater headset flexibility. SupraPlus offers monaural or binaural versions, voice tube or noise-canceling microphones and is compatible with Plantronics amplifiers and USB-to-headset adapters.
All-day wearing comfort and reliability Enhanced audio for greater listening accuracy Supports most Plantronics amplifiers and USB-to-headset adapters Leverages the strength of the market-leading Supra headset Designed for the most demanding environments 
